4330 20TH ST (34) - Laserfiche WebLink

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' — - , i i 1,_ " r , . � �t � . ' ♦ } � � • � � � � la•34 = � ~ , S1"ANI3ARD FOR TtiE IiVSTALLATIQN OF SPRI�vKLER SYSTEhSS+ , ' Tabte 3-3fi.6.3(b} Ratings of Sprinklers in Sgeczfied Locations Ordinary Intermediate F�igh Location , Degree Rating Degree Rating Degree Rating Skylights — Glass or plastic — Attics Ventilated l;nvemilaced — Peaked Roof: �tetal or thin boards; concealed or not con- Ventilaced Lnven[ilated — cealed,insulaced or uninsuiated Fiat Roof: :vlecat, not concealed; Ventilated or un- Note:For uninsulated raof,climate and occupancy may — insulated or uninsuiated vemilated require Intermediate sprinklers.Check on job. Ftat Roof: Metat; concealedc — insutated or uninsulated Ventilated linventilated Shaw Windows Ventilated L'nvenUlated — Note:A check of job condition by means of thermameters may be necessary (a) Sprinklers near unit heacers. Where steam pressure (a} For equipments noc over 300 sprinklers, not t'ess is not more than 15 psi (1 bar), sprinklers in the heater than 6 sprinkIers E zone shalI be high and sprinklers in the danger aone in- (b) For equipments 300 to 1,004 sprinklers> not less termediate temperature classification. than 12 sprinklers (b) Sprinklers lpcated�within 12 in. (3d5 mm) to one (c) For ec}uipmencs above 1,000 sprinklers, not less side or 30 in. (762 mm} above an uncovered steam main, than 24 sprinkiers � heating coil, or radiator shall be intermediate tempera- (�} Stock of spare sprinklers shall include aII types and ture cIassification. (c} Sprinklers within ;7 ft (2.1 m) of a low pressure raCings installed. blowoff valve that discharges free in a large roam shall be 3-16.8�` Guards and Shields. Sprinkiers that are so high temperature classifcation. locaced as to be subject to mechanical injury(in eitherthe (d} Sprinkiers under glass or plastic skylights exposed upright or the pendent position) shall be protected vrith ta the direct rays of the sun shall be intermediate temper- � listed gvards. ature classification. � {e) Sprinklers in an unventilated concealed space 3-16.9 Painting and Ornamental Finishes. ' under an uninsulated roof, or in an unventilated attic, 3-16.9.1* When the sprinkler piping is given any k'rnd shall kae of intermediate cemperature cIassification. of coating, such as whitewash or painc, care shall be exer- {f) Sprinklers in unventilated show windows havin� cised to see that no automatic sprinklers are coated: hagh-powered electxic lights near the ceiling shall be in- termediate temperature classification. 3-16.92* Sprinklers shall no�be painted and any sprin- � Far s rinklers rotectin commercial-t e cookin kters tha� have been painted shall be replaced withinew {g� P p g yP � listed sprinklers of the same characteristics. equipment and ventilation syscems, temperature I classifications o£ intermediace, high, or extra high shail Exce�tian: Factory-ap�ilied coatings to s�innkler fr,'ames be provided as determined by use of a temperacure for identzfying s�rrznklers o f dzfferent terrx�erature ratings measuring device {see 9-4.18.2}. an accordance with 3-16.6.1. � � 3-16.6.4 In case af change of occupancy invaiving tem- 3-I6.9.3 Ornamental finishes shall not be appiied to perature change, the sprinklers shall be changed accord- sprinklers by anyone other than the sprinkler mariufac- ingiy. � curer and only sprinklers listed with such fmishes sh�all be - used. i 3-16.'T'� Stock af Spare�Sprinkiers. � 3-I69.I There shaill be maintained on the premises a �c�-1? Sprinkler Alarms. � supply of spare sprinkTe=s{never less than six}so that any 3-17,1 Definition. A local alarm unit is an assembiy of spnnklers that have operated or been damaged in any apparatus approved for the service and so canstructed way may be promptlq�replaced. These sprinklers shall �nd installed that any flow of wacer fram a spnnkler correspond to the typ'es and temperature ratings of the system equal to or greater chan that from a,i singIe sprinklers in the property. The sprinklers shali be kept in aucomacic sprinkler of the smaliest orifice size inscalled on a cabinet lacated wher'e the Cemperature to which they zhe systern wLil result in an audible alarm on the premises are subjected will at no time exceed 100°F (38°C). within 5 minutes after such flow begins.For remate sprin- _ t kler wacer flow aIarm cransmission see 3-17.7.L ; 3-I6.9.2 A speciai slprinicler wrench shall also be pro- ' vided and kept in the�cabinet, to be used in �he removai 3-17.2* Where Required. Local watert7aw �alarms _ and ins�ailation of sprinklers. shaii be pravided on all sprink�er systems having mare , � than 20 sprinklers. I 3-16.7.3 The stockl �af spare sprinklers shalI be as � _ follows•� � 3-17.3 Waterflow Detecting Devices. i � =:` . � ,,��.,�.;. 198T Edition E I �;'�',� :: �x ;.��. . •._..�,s,� � ----� i � --'- __ ._.__..._._ � •`�'i:- ' 1 � .